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Subtract 25/27 from 30/7

1st number: 4 2/7, 2nd number: 25/27

30/7 - 25/27 is 635/189.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 27 is 189
  2. For the 1st fraction, since 7 × 27 = 189,
    30/7 = 30 × 27/7 × 27 = 810/189
  3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
    25/27 = 25 × 7/27 × 7 = 175/189
  4. Subtract the two fractions:
    810/189 - 175/189 = 810 - 175/189 = 635/189
  5. In mixed form: 368/189

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